Direction Interrégionale de LA REUNION
B.P.4    97491 Ste Clotilde Cedex
Téléphone                02.62.92.11.00
Fax exploitation      02.62.92.11.48
Fax direction           02.62.92.11.47

WTIO24 FMEE 250600 SECURITE GALE WARNING FOR METAREA VII ISSUED BY METEO-FRANCE/TROPICAL CYCLONE CENTRE/LA REUNION 25/03/2009 AT 0600 UTC. WARNING NUMBER: 005/11 (SOUTH-WEST INDIAN OCEAN) 10 MINUTES AVERAGE WIND SPEED IN KNOTS (KT) (WIND GUSTS AT SEA MAY BE ABOUT 40% STRONGER THAN THE AVERAGED WIND). MINIMUM SEA LEVEL PRESSURE IN HECTOPASCALS (HPA) (INDICATIVE FIGURE). GALE WARNING BEGINNING OF VALIDITY: WEDNESDAY 25/03/2009 AT 0600 UTC. PHENOMENON: MODERATE TROPICAL STORM 11 (IZILDA) 991 HPA POSITION: WITHIN 20 NM RADIUS OF POINT 23.0S / 42.1E (TWENTY THREE DECIMAL ZERO DEGREES SOUTH AND FORTY TWO DECIMAL ONE DEGREES EAST) AT 0600 UTC MOVEMENT: SOUTH-SOUTH-EAST 5 KT THREAT AREAS: SQUALLY WEATHER EXISTS WITHIN 100 NM RADIUS OF THE CENTER, EXTENDING UP TO 180 NM OF THE CENTER IN THE NORTHWESTERN QUADRANT. GALE FORCE WINDS 35/40KT AND VERY ROUGH TO HIGH SEA WITHIN 30NM RADIUS OF THE CENTER NEAR GALE FORCE 30KT AND ROUGH TO VERY ROUGH SEA WITHIN 80MN RADIUS OF THE CENTER, EXTENDING UP TO 110 NM IN THE NORTHERN SEMI-CIRCLE AND UP TO 160 NM IN THE SOUTHWESTERN QUADRANT. STRONG GUSTS UNDER SQUALLS. FORECAST POSITION AND INTENSITY: 12H, VALID 2009/03/25 AT 18 UTC: 23.6S / 41.9E, MAX WIND = 45 KT, MODERATE TROP. STORM. 24H, VALID 2009/03/26 AT 06 UTC: 23.7S / 41.9E, MAX WIND = 50 KT, SEVERE TROP. STORM. OTHER INFORMATIONS: IZILDA KEEPS ON TRACKING SLOWLY SOUTHWARDS BUT IS EXPECTED TO BECOME STATIONNARY WITHIN THE NEXT 24 HOURS BEFORE RECURVING WEST-NORTHWESTWARDS UNDER THE STEERING INFLUENCE OF THE SUBTROPICAL HIGH PRESSURES REBUILDING IN ITS SOUTHWEST. ENVIRONMENTAL CONDITIONS SHOULD ALLOW TO KEEP ON INTENSIFICATING WITHIN THE NEXT 24 TO 36 HOURS. STRONGESTS WINDS EXTEND FAR IN THE SOUTHWEST DUE TO THE GRADIENT EFFECT WITH THE SUBTROPICAL HIGH PRESSURES.